COPYRIGHT © 1999 CANON INC. CANON 660/2100 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)I. OUTLINEA. ConstructionThe image formation system is the core of the machine, and consists of the latent sta-tic image formation block (drum cartridge, pre-exposure LED assembly); developingblock (color toner cartridges, black toner cartridge, developing rotary assembly); andtransfer block (intermediate transfer drum, secondary pre-transfer charging assembly,secondary transfer belt, separation static eliminator, ITD cleaning roller).Figure 4-101CHAPTER 4 IMAGE FORMATION SYSTEM4-1ITDcleaningrollerDevelopingrotary assemblyBlack tonercartridgeLaser beamDeveloping blockLatent static imageformation blockTransfer blockIntermediatetransfer drumDrum cartridgeSecondarytransfer beltPhotosen-sitivedrumSeparation staticeliminatorPre-exposureLED assemblyColor tonercartridge Secondarypre-transfercharging assemblyDownload free service manual at http://printer1.blogspot.com